From: | David Fetter <david(at)fetter(dot)org> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Alex Hunsaker <badalex(at)gmail(dot)com>, Hannu Krosing <hannu(at)krosing(dot)net>, PG Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: pre-MED |
Date: | 2008-12-15 06:39:21 |
Message-ID: | 20081215063921.GB17360@fetter.org |
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Thread: | |
Lists: | pgsql-hackers |
On Mon, Nov 17, 2008 at 10:37:41AM -0800, David Fetter wrote:
> On Tue, Nov 04, 2008 at 12:23:55PM -0500, Tom Lane wrote:
> > "Alex Hunsaker" <badalex(at)gmail(dot)com> writes:
> > > On Thu, Oct 30, 2008 at 05:16, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> >
> > which doesn't seem like it would amount to anything compared to the
> > total execution of a plan node, but we do know that ExecProcNode
> > is a hot spot in some usages.
>
> Going with the ExecProcNode modification you're proposing, how big
> would a minimal pre-MED patch be?
Tom,
I know you've been busy with lots of stuff, so here's a little
reminder. I talked with a couple of people who know the back-end much
better than I do. One said the above was way under-specified, and the
other said he'd started work on it, but hasn't had much time.
Since you're the one who brought this up, I think it's on you to flesh
it out at least a little bit, or at least to describe it in enough
detail that someone else could.
Cheers,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter
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